Postal scale



FIG. 1 is a front elevational view of a postal scale showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof.

The broken-line showings of mail in FIGS. 1 and 2 are environmental onlyand form no part of the claimed design.

The ornamental design for a postal scale, substantially as shown.